﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using BarberShop.BLL;
using BarberShop.Data;
using Maticsoft.Common;
using System.Drawing;
using System.Web.UI.HtmlControls;
using System.IO;


public partial class AdImgAdd : BasePage
{
    public int Id
    {
        get
        {
            return string.IsNullOrEmpty(Request.QueryString["id"]) ? 0 : Convert.ToInt32(Request.QueryString["id"]);
        }
    }
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            GetData();
        }
    }


    #region 上传图片
    /// <summary>
    /// asp.net上传图片并生成缩略图
    /// </summary>
    /// <param name="upImage">HtmlInputFile控件</param>
    /// <param name="sSavePath">保存的路径,些为相对服务器路径的下的文件夹</param>
    /// <param name="sThumbExtension">缩略图的thumb</param>
    /// <param name="intThumbWidth">生成缩略图的宽度</param>
    /// <param name="intThumbHeight">生成缩略图的高度</param>
    /// <returns>缩略图名称</returns>
    public string UpLoadImage(HtmlInputFile upImage, string sSavePath, out string sFilename)
    {
        //string sThumbFile = "";
        //string sFilename = "";
        //sThumbFile = "";
        sFilename = "";
        if (upImage.PostedFile != null)
        {
            HttpPostedFile myFile = upImage.PostedFile;
            int nFileLen = myFile.ContentLength;
            if (nFileLen == 0)
                return "没有选择上传图片";
            //获取upImage选择文件的扩展名
            string extendName = System.IO.Path.GetExtension(myFile.FileName).ToLower();
            //判断是否为图片格式
            if (extendName != ".jpg" && extendName != ".jpge" && extendName != ".gif" && extendName != ".bmp" && extendName != ".png")
                return "图片格式不正确";

            byte[] myData = new Byte[nFileLen];
            myFile.InputStream.Read(myData, 0, nFileLen);
            //sFilename = System.IO.Path.GetFileName(myFile.FileName);
            //int file_append = 0;
            ////检查当前文件夹下是否有同名图片,有则在文件名+1
            //while (System.IO.File.Exists(System.Web.HttpContext.Current.Server.MapPath(sSavePath + sFilename)))
            //{
            //    file_append++;
            //    sFilename = System.IO.Path.GetFileNameWithoutExtension(myFile.FileName)
            //        + file_append.ToString() + extendName;
            //}
            sFilename = UploadUtil.mikecat_GetNumberRandom() + extendName;
            //没则创建
            if (!Directory.Exists(System.Web.HttpContext.Current.Server.MapPath(sSavePath)))
            {
                Directory.CreateDirectory(System.Web.HttpContext.Current.Server.MapPath(sSavePath));
            }
            System.IO.FileStream newFile
                = new System.IO.FileStream(System.Web.HttpContext.Current.Server.MapPath(sSavePath + sFilename),
                System.IO.FileMode.Create, System.IO.FileAccess.Write);
            newFile.Write(myData, 0, myData.Length);
            newFile.Close();
            //以上为上传原图

            #region 缩略图
            //try
            //{
            //    //原图加载
            //    using (System.Drawing.Image sourceImage = System.Drawing.Image.FromFile(System.Web.HttpContext.Current.Server.MapPath(sSavePath + sFilename)))
            //    {
            //        //原图宽度和高度
            //        int width = sourceImage.Width;
            //        int height = sourceImage.Height;
            //        int smallWidth;
            //        int smallHeight;
            //        //获取第一张绘制图的大小,(比较 原图的宽/缩略图的宽 和 原图的高/缩略图的高)
            //        if (((decimal)width) / height <= ((decimal)intThumbWidth) / intThumbHeight)
            //        {
            //            smallWidth = intThumbWidth;
            //            smallHeight = intThumbWidth * height / width;
            //        }
            //        else
            //        {
            //            smallWidth = intThumbHeight * width / height;
            //            smallHeight = intThumbHeight;
            //        }
            //        ////判断缩略图在当前文件夹下是否同名称文件存在
            //        //file_append = 0;
            //        //sThumbFile = sThumbExtension + System.IO.Path.GetFileNameWithoutExtension(myFile.FileName) + extendName;
            //        sThumbFile = System.IO.Path.GetFileNameWithoutExtension(sFilename) + sThumbExtension + extendName;
            //        //while (System.IO.File.Exists(System.Web.HttpContext.Current.Server.MapPath(sSavePath + sThumbFile)))
            //        //{
            //        //    file_append++;
            //        //    sThumbFile = sThumbExtension + System.IO.Path.GetFileNameWithoutExtension(myFile.FileName) +
            //        //        file_append.ToString() + extendName;
            //        //}
            //        //缩略图保存的绝对路径
            //        //string smallImagePath = System.Web.HttpContext.Current.Server.MapPath(sSavePath) + sThumbFile;
            //        string smallImagePath = System.Web.HttpContext.Current.Server.MapPath(sSavePath) + sThumbFile;
            //        //新建一个图板,以最小等比例压缩大小绘制原图
            //        using (System.Drawing.Image bitmap = new System.Drawing.Bitmap(smallWidth, smallHeight))
            //        {
            //            //绘制中间图
            //            using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bitmap))
            //            {
            //                //高清,平滑
            //                g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
            //                g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
            //                g.Clear(Color.Black);
            //                g.DrawImage(
            //                sourceImage,
            //                new System.Drawing.Rectangle(0, 0, smallWidth, smallHeight),
            //                new System.Drawing.Rectangle(0, 0, width, height),
            //                System.Drawing.GraphicsUnit.Pixel
            //                );
            //            }
            //            //新建一个图板,以缩略图大小绘制中间图
            //            using (System.Drawing.Image bitmap1 = new System.Drawing.Bitmap(intThumbWidth, intThumbHeight))
            //            {
            //                //绘制缩略图
            //                using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bitmap1))
            //                {
            //                    //高清,平滑
            //                    g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
            //                    g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
            //                    g.Clear(Color.Black);
            //                    int lwidth = (smallWidth - intThumbWidth) / 2;
            //                    int bheight = (smallHeight - intThumbHeight) / 2;
            //                    g.DrawImage(bitmap, new Rectangle(0, 0, intThumbWidth, intThumbHeight), lwidth, bheight, intThumbWidth, intThumbHeight, GraphicsUnit.Pixel);
            //                    g.Dispose();
            //                    bitmap1.Save(smallImagePath, System.Drawing.Imaging.ImageFormat.Jpeg);
            //                }
            //            }
            //        }
            //    }
            //}
            //catch
            //{
            //    //出错则删除
            //    System.IO.File.Delete(System.Web.HttpContext.Current.Server.MapPath(sSavePath + sFilename));
            //    return "图片格式不正确";
            //}
            ////返回缩略图名称
            //return "";
            #endregion
        }
        return "";
    }
    #endregion

    protected void GetData()
    {
        if (Id != 0)
        {
            var info = AdInfoBLL.GetAdInfo(Id);
            txt_adName.Text = info.Adname;
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {

        string AdImgUrl = ConfigHelper.GetConfigString("AdImg");
        string bigimg = "";
        string smaillimg = "";
        string adname = txt_adName.Text.Trim();
        string r = "";
        if (File1.Value != "")
        {
            r = UpLoadImage(File1, AdImgUrl,out bigimg);
        }
        if (File2.Value != "")
        {
            r = UpLoadImage(File2, AdImgUrl, out smaillimg);
        }
        if (r == "")
        {
            if (Id == 0)
            {
                AdInfo info = new AdInfo();
                info.Adname = adname;
                info.Bigimgname = bigimg;
                info.Smallimgname = smaillimg;
                info.CreateDate = DateTime.Now;
                AdInfoBLL.AddAdInfo(info);
            }
            else
            {
                AdInfo info = AdInfoBLL.GetAdInfo(Id);
                info.Adname = adname;
                if (File1.Value != "")
                {
                    info.Bigimgname = bigimg;
                    info.Smallimgname = smaillimg;
                }
                AdInfoBLL.UpdateAdInfo(info);
            }
            MessageBox.Show(this.Page, "广告上传成功！");

        }
        else
        {
            MessageBox.Show(this.Page, r);
        }
    }
}
